{"id":38193,"date":"2024-11-26T11:56:10","date_gmt":"2024-11-26T03:56:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38193\/"},"modified":"2024-11-26T11:56:10","modified_gmt":"2024-11-26T03:56:10","slug":"%e6%80%8e%e4%b9%88%e7%94%a8%e6%95%b0%e7%bb%84%e6%9e%84%e5%bb%ba%e5%af%b9%e8%b1%a1java","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38193\/","title":{"rendered":"\u600e\u4e48\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61java"},"content":{"rendered":"<blockquote><p>\n  \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u6784\u5efa java \u5bf9\u8c61\uff0c\u8bed\u6cd5\u4e3a objectname[] arrayname = new objectname[size]; \u6570\u7ec4\u5305\u542b\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff1b\u4f7f\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61\u4f18\u70b9\u5305\u62ec\u8bed\u6cd5\u7b80\u5355\u3001\u9ad8\u6548\u3001\u53ef\u53d8\u5927\u5c0f\uff1b\u5c40\u9650\u6027\u5305\u62ec\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3001\u7c7b\u578b\u68c0\u67e5\u4e0d\u4e25\u683c\u3001\u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u4f1a\u5f71\u54cd\u5bf9\u8c61\u72b6\u6001\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111410273783163.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61java\u63d2\u56fe\" alt=\"\u600e\u4e48\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61java\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528\u6570\u7ec4\u6784\u5efa Java \u5bf9\u8c61<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u6784\u5efa\u5bf9\u8c61\u3002\u6570\u7ec4\u5305\u542b\u591a\u4e2a\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u800c\u5bf9\u8c61\u5219\u662f\u4e00\u7ec4\u76f8\u5173\u7684\u6570\u636e\u548c\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>ObjectName[] arrayName = new ObjectName[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>ObjectName \u662f\u8981\u6784\u5efa\u7684\u5bf9\u8c61\u7c7b\u3002<\/li>\n<li>arrayName \u662f\u6570\u7ec4\u53d8\u91cf\u7684\u540d\u79f0\u3002<\/li>\n<li>size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b 3 \u4e2a Student \u5bf9\u8c61\u7684\u6570\u7ec4\nStudent[] students = new Student[3];\n\n\/\/ \u7d22\u5f15 0 \u7684\u6570\u7ec4\u5143\u7d20\nstudents[0] = new Student(\"John Doe\", 22);\n\n\/\/ \u7d22\u5f15 1 \u7684\u6570\u7ec4\u5143\u7d20\nstudents[1] = new Student(\"Jane Smith\", 20);\n\n\/\/ \u7d22\u5f15 2 \u7684\u6570\u7ec4\u5143\u7d20\nstudents[2] = new Student(\"Michael Brown\", 21);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u793a\u4f8b\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5b58\u50a8\u5728 students[0] \u4e2d\u3002<\/p>\n<pre>\/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5b66\u751f\u7684\u59d3\u540d\nSystem.out.println(students[0].getName());<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<pre>\/\/ \u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5b66\u751f\u7684\u59d3\u540d\nfor (Student student : students) {\n    System.out.println(student.getName());\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<p>\u4f7f\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61\u7684\u4e3b\u8981\u4f18\u70b9\u662f\uff1a<\/p>\n<ul>\n<li> <strong>\u7b80\u5355\u6613\u7528\uff1a<\/strong>\u8bed\u6cd5\u7b80\u5355\u660e\u4e86\u3002<\/li>\n<li> <strong>\u9ad8\u6548\uff1a<\/strong>\u6570\u7ec4\u5728\u5185\u5b58\u4e2d\u662f\u8fde\u7eed\u5b58\u50a8\u7684\uff0c\u56e0\u6b64\u8bbf\u95ee\u5143\u7d20\u975e\u5e38\u9ad8\u6548\u3002<\/li>\n<li> <strong>\u53ef\u53d8\u5927\u5c0f\uff1a<\/strong>\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u6570\u7ec4\u7684\u5927\u5c0f\u4ee5\u5bb9\u7eb3\u66f4\u591a\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u5c40\u9650\u6027<\/strong><\/p>\n<p>\u4f7f\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61\u4e5f\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff1a<\/p>\n<ul>\n<li> <strong>\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff1a<\/strong>\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u7ec4\u7d22\u5f15\u8d8a\u754c\u9519\u8bef\u3002<\/li>\n<li> <strong>\u7c7b\u578b\u68c0\u67e5\uff1a<\/strong>\u7f16\u8bd1\u5668\u65e0\u6cd5\u5f3a\u5236\u6267\u884c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u7684\u6b63\u786e\u6027\u3002<\/li>\n<li> <strong>\u4fee\u6539\u6570\u7ec4\u5143\u7d20\uff1a<\/strong>\u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u4f1a\u5f71\u54cd\u5bf9\u8c61\u7684\u5b9e\u9645\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61java\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u6784\u5efa java \u5bf9\u8c61\uff0c\u8bed\u6cd5\u4e3a objectname[] arrayname = new objectname[size]; \u6570\u7ec4\u5305\u542b\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff1b\u4f7f\u7528\u6570\u7ec4\u6784\u5efa\u5bf9\u8c61\u4f18\u70b9\u5305\u62ec\u8bed\u6cd5\u7b80\u5355\u3001\u9ad8\u6548\u3001\u53ef\u53d8\u5927\u5c0f\uff1b\u5c40\u9650\u6027\u5305\u62ec\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3001\u7c7b\u578b\u68c0\u67e5\u4e0d\u4e25\u683c\u3001\u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u4f1a\u5f71\u54cd\u5bf9\u8c61\u72b6\u6001\u3002 \u4f7f\u7528\u6570\u7ec4\u6784\u5efa Java \u5bf9\u8c61 \u7b80\u4ecb \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u6784\u5efa\u5bf9\u8c61\u3002\u6570\u7ec4\u5305\u542b\u591a\u4e2a\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u800c\u5bf9\u8c61\u5219\u662f\u4e00\u7ec4\u76f8\u5173\u7684\u6570\u636e\u548c\u65b9\u6cd5\u3002 \u8bed\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b ObjectName[] arrayName = new ObjectName[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a ObjectName \u662f\u8981\u6784\u5efa\u7684\u5bf9\u8c61\u7c7b\u3002 arrayName \u662f\u6570\u7ec4\u53d8\u91cf\u7684\u540d\u79f0\u3002 size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u793a\u4f8b \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b 3 \u4e2a Student \u5bf9\u8c61\u7684\u6570\u7ec4 Student[] students = new Student[3]; \/\/ \u7d22\u5f15 0 \u7684\u6570\u7ec4\u5143\u7d20 students[0] = new Student(&#8220;John Doe&#8221;, 22); [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-38193","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=38193"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38193\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}